Power brushing machine



Oct. 20, 1959 L. c. COLE POWER BRUSHINGMACHINE 19 Sheets-Sheet 1 Filed Aug. 22, 1957 IN V EN TOR.

AVA/DON acous- [606mm ATTORNEYS- Oct. 20, 1959 1.. c. COLE 2,

POWER-BRUSHING MACHINE Filed Aug. 22, 1957 19 Sheets-Sheet 2 ISI 32 l8 l6 l5 4| 30 39 4| 7 as 36 35.

2e v 35 as 26 g; y ll u 25 l 1 24 FIG.9

"fi I I3 I INVENTOR. FIG. 5 Q LYNDON CCOLE.

04m aim ATTORNEYS 0c. 2o, 1959 IL. COLE 2,909,015

V i POWER BRUSHING MACHINE Filed Au 22, 1957 I FIG. 3

' INVENTOR. ,LVNDON C. COLE- BY OjmMGImZM/U ATTORNEYS 19 Sheets-Sheet 3 Oct. 20, 1959 L. c. COLE 2,909,015

POWER BRUSHING' MACHINE Fild Aug. 22. 1957 19 Sheets-Sheet 4 IN VEN TOR.

BY L YNDON C. COLE Olmluh 61M ATTORNEYS Oct. 20, 1959 L. c. COLE POWER BRUSHING MACHINE 19 Sheets-Shut 5 Filed Aug. 22, 1957 INVENTOR. LYNDON C. COLE ATTORNEYS Oct. 20, 1959 L. c. COLE POWER 'BRUSHING MACHINE l9 Sheets-Sheet 6 Filed Aug. 22, 1957 Oct; 20, L. C. COLE i P'owER BRUSHING MACHINE i 7 Filed Aug. 22; 1957 19 SheetST-Sheet 7 lOl F|G.'l6

' INVENTOR. O LYNDO/V C. COLE 0M aafw'nflarlv ATTORNEYS I Oct. 20, 1959 L. c. COLE 2,909,015

POWER BRUSHING' MACHINE Fil ed Aug. 22, 1957 19 Sheets-Sheet a FIG. IO

Oct. 20, 1959 L. c. COLE 2,909,015

POWER BRUSHING MACHINE Filed Aug. 22, 1957 19 Sheets-Sheet e INVENTOR. l. YNDON C. COLE ATTORNEYS Oct. 20, 1959 L. c. COLE 2,909,015

POWER 'BRUSHING MACHINE Filed Aug. 22, 1957 l9 S hee ts-Shee t 1O FIG. I2

J FIG.I3

L I INVENTOR.

' 'LV/VfiON C. COLE BY 04M) Carma/ ATTORNEYS 0d. 1959 L. c. COLE 2,909,015

POWER BRUSHING MACHINE llO INVENTOR. Y/VDON C. COL E ATTORNEYS Oct. 20, 1959 L. c. COLE I POWER BRUSHING MACHINE Fild Aug. 22, 1957 19 Sheets-Sheet 12 l1. 1 I 1 a LYNDO/V C.

INVENTOR.

COLE

simian ATTORNEYS 0a. 20, 1959 L. c. COLE 2. POWER BRUSHINGMACHINE v Filed Aug. 22, 1957 l9 Sheets-Sheet 13 I :JJJHLL I J I L n Oct. 1959f 1,. c. COLE- 2,909,015

POWER 'BRUSHING MACHINE I Filed A 2. 1 57 19 Shee ts- Shee t 14 ATTORNEYS L... C. COLE POWER BRUSHING MACHINE' Filed Aug. 22 1957 l9 Sheets-Sheet 15 I N V EN TOR. L YA/DO/V c. couz BY Gin/7212 556W ATTORNEYS odzo, 1959 I COLE 2,909,015

- I POWER BRUSHINGMACHINE Y Filed Aug. 22, 1957 19 Sheets-Sheet 16 |84a. g I866 334, A 84 h EMERG B STOP I81 I93 I930 M V I94+ I940. 192 POWER 0N I 0 l I J I89 I90 I & 1 02; EVEL- J L BRUSHING CYCLE ADJ. RUN I TIMER Mama .1. I 2378 Q OTOR APPLICATOR 3: 202 8 TIMER MoToR 9 IL .h .LII Y. CYCLE sum 9 2 4 "OvER- 514 205 20 28; s LOADS OFF omsss I 95 207A 209A 209A I96 cI. BRUSHING cYcLE :f (I: 5.: 4. L @LILI G TIMER CLUTCH" AUTQRECYCLE 20B 2098 209a Y r, pm-eg QLUTC, APPLICATOR --|I83 '3 210m TIMER CLUTCH 7' 2IIA 2I2 Kfi/g w BRUSH REvERsE W I96A L TIMER COUNTCOIL PNEUMATIC 440 v. #5 m WEAR FEED SHUNT 6O CY. 2II\G DELAY TIMER 3 PHASE I v 2I5A 2I5A' 2'4 MAINS I I I I LATCH COIL 2I6A 2l6A IIL-| I 2| A m9 i MoToR START To v MOTOR OFF ON 20A OFF ON W.HI NO.| I U CHU K DRIVE STOP 1 l 1 c 2W5 STATION No.1

A BRUSH W.H.NO.| 2'78, 22I DRIVE 220A OFF on W.H. No.2

' v HAND if-0 1; cI-IucK DRI E UNLATCH COIL OFF AUTO. 2| ITA' CL A ON -2 L Y Z BRUSH REVERSE zgzA 223 BI H224A TIMER CLUTCH I v I I STATIONNOJB'RUSH 2l28 22cc 2l4E I I MANUAL DRIVE 1 Ioo- I 2258 I RE AUTO. FWD. I I I I I W.H. *0 2'06 OFFAON I I BRUSH DRIVE zz ga FWD. STA. N0.I

BRUSH DRIVE 2200' 2I4F REV.STA.NO.I

:. g MANUAL oRIvE 7 225B- REV.AUTO.FWD. 2I7C'QHOFF ON I I I W.H.N0-2 I Z S BRUSH MM:

2200' 25m FWD..$TA.NO.2

I 2|4A' BRUSH pRIvE 239 223 ,REv.sTA.uo.2

19 Sheets-Sheet 1.7

' Filed Aug. 22, 1957 mmm OE 01mm '8 5627M ATTORNEYS Oct. 20, 1959 L. c. COLE 2,909,015

POWER BRUSHING MACHINE Filed Aug. 22, 1957 19 Sheets-Sheet 18 BRUSH No.'I MANUAL TRAVERsE \MANUAL yToNATIc REV;S;'%FWD. F C

' l 2IIE 229 2l4G 229F FoRWARD 2IOE 2I2.c 22 A I BRUSH N0.l

I I REVERsE TRAvERsE VALVE 225 6 I I l i I REV. AuTo. FWD, BRUSH No.2

* NANuAL 25s 1 TRAVERSE v FoRWARD I225A' mm 2291-" BRUSH No.2

REVERsE TRAvERsE VALVE 2I4c 229 R 2|8B MOTOR sTART 225 c DFI 232A 233 -L :I PART AT BRUSHING sTATIoN No.I IIF 23l 2|a c MOTOR sTART PART AT BRUSHING STATION No.2

"LoAD LEVEL 0N" LOAD CONTROL SHUNT I E WEAR FEED DRIVE DELAY TIMER I |9 J |9| B POWER ON '99 PNEUMA'HC E? "wIF. BALANCED" 23a WEAR FEED gIJ O R STATION No.I

OFF ON L4 2 4 WEAR FEED DRIVE I990 229 24| 235A 235' WEAR FEED OFF oN 242 f 4--I W.F. BALANCED "W-F. FEEDING" sTATIoN No.2 IQIGfiBWER 0N 23182 WEAR FEED DRIVE \98' AUDIO-SIGNAL N N aRus A 24L v STATIO o H WE RWARNING w I E W %E} sTATIoN No.2 BRUSH WEAR WARNING 1930 R sTATIoN Nos. I82 BRUSH FULLY 2463 WoRN (0R FEED OVERLOADED) L wk) BRUSH Nos Ia2 comp APPLIcAToR COMP. BRUSH No.I APP. 24s

MAN FF AUTO 251 INVENTOR.

"Q LL (NANoN 2l5 c LYNDON C COLE F AuTo EIRND L. c. COLE v POWER BRUSHING MACHINE Oct. 20, 1959 Filed- Aug 22 1957 19 ShetsSheet 19 INVENTOR. zv/vaoxv 130 5 BY 0m ezmmc/v ATTORNEYS N62 uxb] wziwamm Q nzwoazmo llIvl mzaoazou United States, Patent POWER BRUSHING MACHINE Lyndon C. Cole, Cleveland Heights, Ohio, assignor to The Osborn Manufacturing Company, Cleveland, Ohio, a corporation of Ohio Application August 22, 1957, Serial No. 679,720

18 Claims. (Cl. 51-215) This invention relates as indicated to a novel brushing machine, and more particularly to a machine tool utilizing power driven rotary brushes or other rotary abrading tools and adapted automatically to process and surfacefinish large quantities of individual work-pieces passed therethrough.

Such machine may be incorporated in a continuous work processing line and will function continuously without the attention of an operator. -Power driven rotary brushes have, of course, long been employed for the purpose of surface-finishing metal parts and other articles including the removal of burrs, scale, and oxide coatings, the rounding of sharp corners, and the provision of desired surface textures, including a high polish. When very large numbers of identical or similar parts are to be operated upon, it becomes desirable and economically feasible to provide completely automatic equipment for processing such parts. Furthermore, when the parts to be processed are of a character requiring a high degree of accuracy and uniformity, as in the case of automotive transmission gears for example, direct operator control of the process becomes additionally undesirable due to the practical certainty of at least some degree of human error in controlling the operation with resultant production of rejects, scrap, and relatively non-uniform products even though specifications may afford a rather high degree of tolerance.

It is accordingly an important object of this invention to provide a novel power brushing machine operative automatically successively to advance and process a series of individual work-pieces without the attention of an operator.

Another object is to provide such machine adapted to i remove burrs and blend the edges of the teeth of gears and like articles and which will be operative thus to act upon multiple sides of such articles.

A further object is to provide chucking means automatically operative to present the work-pieces to the brushes in a manner to obtain the most effective brushing action thereon.

Still another object is to provide means for automatically maintaining the proper brushing pressure between the Work-piece and the rotary brush engaging the same despite variation in part thickness or change in the brush diameter through wear and other factors.

Yet another object is to provide such machine wherein provision is made to assure a predetermined effective brushing cycle which will be uniform in the case of each individual work-piece despite wear of the rotary brushes and other variables, thereby ensuring uniform treatment. I

A still further object is to provide Work-piece handling means operative to turn the work-piece intermediate two brushing stations to facilitate brushing another surface thereof.

Another object is to provide means for controlling the rp CC lanly a liquid abrasive compound, to the rotating brush in a manner to ensure uniform application and a minimum of Waste.

Yet another object is to provide means for traversing the spindle of the rotary brush whenever the direction of rotation of such spindle and brush is reversed to maintain uniform brushing action on a rotating workpiece.

Other objects of the invention will appear as the description proceeds.

To the accomplishment of the foregoing and related ends, said invention then comprises the features hereinafter fully described and particularly pointed out in the claims, the following description and the annexed drawing setting forth in detail certain illustrative embodiments of the invention, these being indicative, however, of but a few of the various ways in which the principle of the invention may be employed.

In said annexed drawing:

Fig. l is a front elevation of my new machine;

Fig. 2 is an end elevation of such machine;

Fig. 3 is a top plan view of the machine of Figs. 1 and 2;

Figs. 4A and 4B together constitute a top plan view of the Work-piece conveyor and associated mechanism;

Fig. 5 is an end elevation of such work-piece conveyor;

Fig. 6 is a top plan view of the work-piece turn-over mechanism;

on Fig. 10;

Fig. 13 is a vertical section taken onthe line 1313 on Fig. 10;

Fig. 14 is a rear elevation of one of the brush stands;

Fig. 15 is an elevation at right angles thereto partly in section to show the brush mounting means;

Fig. 16 is a top plan view of the brush stand of Figs. 14 and 15;

Fig. 17 is a transverse section taken on the line 1717 on Fig. 14;

Fig. 18 is a vertical section through the brush enclosing hood;

Fig. 19 is an elevational view of the brush compound applicator associated with such hood;

Fig. 20 is an elevational view of such applicator taken at right angles to Fig. 19;

Fig. 21 -is a top plan view of such applicator;

Fig. 22 is a detail section taken on the line 22-22 on Fig. 19;

Figs. 23A, B, C, and D comprise a schematic wiring diagram for the control system; and

Fig. 24 is a schematic fluid pressure diagram correlated therewith.

Now referring more particularly to said drawing and especially Figs. l-3 thereof, the embodiment of the invention there illustrated comprises a base plate 1 on which are mounted two brushing stands 2 and 3 supporting power driven rotary brushes enclosed in sheet metal hoods 4 and 5 respectively. Stands 6 and 7 likewise supported on base I carry vertically reciprocable workpiece holders 8 and 9 positioned beneath such brush hoods 4 and 5 respectively and adapted to be rotated about their vertical axes. A work-piece conveyor trough 10 is carried by an inverted channel piece 11 supported 

